[openib-general] Re: [PATCH] mthca: correct max_rd_atomic handling

[Michael S. Tsirkin]

Quoting r. Roland Dreier <rdreier at cisco.com>:
> Subject: Re: [PATCH] mthca: correct max_rd_atomic handling
> 
> What happens if SAE and SRE are turned off and the consumer posts an
> RDMA read?  Does it fail and generate an error completion?

Hardware guys confirmed that it does, as per spec: clearing these bits is
the way to tell hardware that we have max_rd_atomic set to 0.
I thought its obvious from documentation: do you think this needs clarification?

> I don't think we want it to just stop the QP processing.

It doesnt do that.

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MST